A circular swimming pool is 21 feet in diameter. How many feet around is the pool? Round answer to the nearest hundredth.

Evaluate 8j -k+148j−k+14 when j=0.25j=0.25 and k=1k=1.

Olive's solar powered scooter travels at a rate of 30 miles per hour. what equation can she use to calculate her distance with relation to the time she traveled? h=hours m=miles 1. h=m+30 2. m=30h 3. m=h+30 4. h=30m

If x-1 and x+3 are the factors of x3+10x2+ax+b find a and b